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Multiple Choice
A protein molecule with a smaller carbohydrate covalently bonded to it is called a(n):
A
Nucleoprotein
B
Glycoprotein
C
Proteoglycan
D
Lipoprotein
Verified step by step guidance
1
Understand the question: The problem is asking for the term used to describe a protein molecule that has a smaller carbohydrate covalently bonded to it.
Review the definitions of the options provided: Nucleoprotein, Glycoprotein, Proteoglycan, and Lipoprotein.
Define 'Glycoprotein': A glycoprotein is a protein molecule that has one or more carbohydrate chains covalently attached to it. These carbohydrates are typically smaller in size compared to those found in proteoglycans.
Define 'Proteoglycan': Proteoglycans are proteins that are heavily glycosylated, with large carbohydrate chains (glycosaminoglycans) attached. This distinguishes them from glycoproteins, which have smaller carbohydrate chains.
Compare the options: Based on the definitions, the term 'Glycoprotein' is the correct answer because it specifically refers to a protein with smaller carbohydrate chains covalently bonded to it.